Compare 1256 vs 1261
| Property | 1256 | 1261 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 23 × 1571 | 131 × 971 |
| Prime factorization | 2 × 2 × 2 × 157 | 13 × 97 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 4, 8, 157, 314, 628, 1256 | 1, 13, 97, 1261 |
| Number of properties | 0 | 1 |
| Semiprimes | 371st | |
| Roman numberals | MCCLVI | MCCLXI |
| Base 2 | 100111010002 | 100111011012 |
| Base 3 | 12011123 | 12012013 |
| Base 4 | 1032204 | 1032314 |
| Base 5 | 200115 | 200215 |
| Base 6 | 54526 | 55016 |
| Base 7 | 34437 | 34517 |
| Base 8 | 23508 | 23558 |
| Base 9 | 16459 | 16519 |
| Base 10 | 125610 | 126110 |
| Base 11 | a4211 | a4711 |
| Base 12 | 88812 | 89112 |
| Base 13 | 75813 | 76013 |
| Base 14 | 65a14 | 66114 |
| Base 15 | 58b15 | 59115 |
| Base 16 | 4e816 | 4ed16 |